TY  - JOUR
AU  - V. I. Romanov
TI  - On the geometry of point mappings of four-dimensional Euclidean spaces
JO  - Itogi Nauki i Tekhniki. Seriya Problemy Geometrii. Trudy Geometricheskogo Seminara
PY  - 1974
SP  - 345
EP  - 358
VL  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/INTG_1974_5_a14/
LA  - ru
ID  - INTG_1974_5_a14
ER  -